Teensy 2.0 ++ blinks fast on startup.

[Wolver]

Hello,
Since it's out of stock, I got it from a guy on eBay.
here it is:

https://imgur.com/a/cle3MAp


What do you guys think? counterfeit? 2nd hand?

 

[BriComp]

Comparing it to the image on the PJRC web site they are different.